Hardware Spec Index

Kyndral GX-4645 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4645-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index15,860 (Graphics Cards scale)
Category rank#11,378
Street price$239
Power165 W (TGP)
Performance per dollar66.36
Released2019

Specifications

BrandKyndral
ModelKyndral GX-4645 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units5,248
Boost clock2,181 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)165 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2-slot, 228 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4645 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/87631372 (accessed 2026-10-24).